Example usage for java.util.concurrent ConcurrentHashMap ConcurrentHashMap

Introduction

In this page you can find the example usage for java.util.concurrent ConcurrentHashMap ConcurrentHashMap.

Prototype

public ConcurrentHashMap()

Source Link

Document

Creates a new, empty map with the default initial table size (16).

Usage

From source file:org.hellojavaer.poi.excel.utils.write.ExcelWriteFieldMapping.java

public ExcelWriteFieldMappingAttribute put(String colIndex, String fieldName) {
    Assert.notNull(colIndex);//  www.j  av  a 2  s. c o  m
    Assert.notNull(fieldName);
    Map<Integer, ExcelWriteFieldMappingAttribute> map = fieldMapping.get(fieldName);
    if (map == null) {
        synchronized (fieldMapping) {
            if (fieldMapping.get(colIndex) == null) {
                map = new ConcurrentHashMap<Integer, ExcelWriteFieldMappingAttribute>();
                fieldMapping.put(fieldName, map);
            }
        }
    }
    ExcelWriteFieldMappingAttribute attribute = new ExcelWriteFieldMappingAttribute();
    map.put(ExcelUtils.convertColCharIndexToIntIndex(colIndex), attribute);
    return attribute;
}

From source file:org.craftercms.engine.service.context.SiteContextManager.java

public SiteContextManager() {
    lock = new ReentrantLock();
    contextRegistry = new ConcurrentHashMap<>();
}

From source file:org.openmrs.module.privilegehelper.PrivilegeLogger.java

public PrivilegeLogger() {
    logByUserId = new ConcurrentHashMap<Integer, PrivilegeLog>();
}

From source file:org.ado.biblio.BarCodeCache.java

@PostConstruct
private void init() {
    map = new ConcurrentHashMap<String, List<BookMessage>>();
}

From source file:org.ow2.proactive.connector.iaas.cloud.provider.azure.AzureServiceCache.java

public AzureServiceCache() {
    serviceCache = new ConcurrentHashMap<>();
}

From source file:ConcurrentHashSet.java

/**
 * Constructs a new, empty set; the backing <tt>ConcurrentHashMap</tt> instance has default
 * initial capacity (16) and load factor (0.75).
 */// w  w w.  j  ava2 s .c om
public ConcurrentHashSet() {
    map = new ConcurrentHashMap<E, Object>();
}

From source file:com.guang.eunormia.common.cache.DefaultLocalCache.java

@SuppressWarnings("unchecked")
private void init() {
    caches = new ConcurrentHashMap[moduleSize];

    for (int i = 0; i < moduleSize; i++) {
        caches[i] = new ConcurrentHashMap<K, SoftReference<V>>();
    }//  w  w w.j a  v a  2  s. com

    expiryCache = new ConcurrentHashMap<K, Long>();

    scheduleService = Executors.newScheduledThreadPool(1);

    scheduleService.scheduleAtFixedRate(new CheckOutOfDateSchedule(caches, expiryCache), 0, expiryInterval * 60,
            TimeUnit.SECONDS);

    if (Logger.isInfoEnabled()) {
        Logger.info("DefaultCache CheckService is start!");
    }
}

From source file:com.ejisto.modules.executor.TaskManager.java

public TaskManager() {
    this.registry = new ConcurrentHashMap<>();
    this.executorService = Executors.newCachedThreadPool();
    this.scheduler = Executors.newScheduledThreadPool(5);
    this.scheduler.scheduleAtFixedRate(this::refreshTasksList, 500L, 500L, MILLISECONDS);
}

From source file:com.espertech.esper.core.service.StatementIsolationServiceImpl.java

/**
 * Ctor.
 */
public StatementIsolationServiceImpl() {
    isolatedProviders = new ConcurrentHashMap<String, EPServiceProviderIsolatedImpl>();
}

From source file:com.ejisto.event.ApplicationEventDispatcher.java

public ApplicationEventDispatcher(TaskManager taskManager) {
    this.registeredListeners = new ConcurrentHashMap<>();
    this.taskManager = taskManager;
    this.running = true;
    Thread t = new Thread(() -> {
        try {/*  w  w  w  . j av a2  s .  c  om*/
            processPendingEvents();
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new IllegalStateException(e);
        }
    }, "applicationEventDispatcher");
    t.setDaemon(true);
    t.start();
}